[InstCombine] Signed saturation tests. NFC
[llvm-complete.git] / lib / Target / Sparc / Sparc.td
blobca6147edc46bafec021dec0807d1d27556057c15
1 //===-- Sparc.td - Describe the Sparc Target Machine -------*- tablegen -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 //
10 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
13 // Target-independent interfaces which we are implementing
14 //===----------------------------------------------------------------------===//
16 include "llvm/Target/Target.td"
18 //===----------------------------------------------------------------------===//
19 // SPARC Subtarget features.
22 def FeatureSoftMulDiv
23   : SubtargetFeature<"soft-mul-div", "UseSoftMulDiv", "true",
24                      "Use software emulation for integer multiply and divide">;
26 def FeatureNoFSMULD
27   : SubtargetFeature<"no-fsmuld", "HasNoFSMULD", "true",
28                      "Disable the fsmuld instruction.">;
29 def FeatureNoFMULS
30   : SubtargetFeature<"no-fmuls", "HasNoFMULS", "true",
31                      "Disable the fmuls instruction.">;
33 def FeatureV9
34   : SubtargetFeature<"v9", "IsV9", "true",
35                      "Enable SPARC-V9 instructions">;
36 def FeatureV8Deprecated
37   : SubtargetFeature<"deprecated-v8", "V8DeprecatedInsts", "true",
38                      "Enable deprecated V8 instructions in V9 mode">;
39 def FeatureVIS
40   : SubtargetFeature<"vis", "IsVIS", "true",
41                      "Enable UltraSPARC Visual Instruction Set extensions">;
42 def FeatureVIS2
43   : SubtargetFeature<"vis2", "IsVIS2", "true",
44                      "Enable Visual Instruction Set extensions II">;
45 def FeatureVIS3
46   : SubtargetFeature<"vis3", "IsVIS3", "true",
47                      "Enable Visual Instruction Set extensions III">;
48 def FeatureLeon
49   : SubtargetFeature<"leon", "IsLeon", "true",
50                      "Enable LEON extensions">;
51 def FeaturePWRPSR
52   : SubtargetFeature<"leonpwrpsr", "HasPWRPSR", "true",
53                      "Enable the PWRPSR instruction">;
55 def FeatureHardQuad
56   : SubtargetFeature<"hard-quad-float", "HasHardQuad", "true",
57                      "Enable quad-word floating point instructions">;
59 def UsePopc : SubtargetFeature<"popc", "UsePopc", "true",
60                                "Use the popc (population count) instruction">;
62 def FeatureSoftFloat : SubtargetFeature<"soft-float", "UseSoftFloat", "true",
63                               "Use software emulation for floating point">;
65 //==== Features added predmoninantly for LEON subtarget support
66 include "LeonFeatures.td"
68 //===----------------------------------------------------------------------===//
69 // Register File, Calling Conv, Instruction Descriptions
70 //===----------------------------------------------------------------------===//
72 include "SparcRegisterInfo.td"
73 include "SparcCallingConv.td"
74 include "SparcSchedule.td"
75 include "SparcInstrInfo.td"
77 def SparcInstrInfo : InstrInfo;
79 def SparcAsmParser : AsmParser {
80   bit ShouldEmitMatchRegisterName = 0;
83 //===----------------------------------------------------------------------===//
84 // SPARC processors supported.
85 //===----------------------------------------------------------------------===//
87 class Proc<string Name, list<SubtargetFeature> Features>
88  : Processor<Name, NoItineraries, Features>;
90 def : Proc<"generic",         []>;
91 def : Proc<"v7",              [FeatureSoftMulDiv, FeatureNoFSMULD]>;
92 def : Proc<"v8",              []>;
93 def : Proc<"supersparc",      []>;
94 def : Proc<"sparclite",       []>;
95 def : Proc<"f934",            []>;
96 def : Proc<"hypersparc",      []>;
97 def : Proc<"sparclite86x",    []>;
98 def : Proc<"sparclet",        []>;
99 def : Proc<"tsc701",          []>;
100 def : Proc<"myriad2",         [FeatureLeon, LeonCASA]>;
101 def : Proc<"myriad2.1",       [FeatureLeon, LeonCASA]>;
102 def : Proc<"myriad2.2",       [FeatureLeon, LeonCASA]>;
103 def : Proc<"myriad2.3",       [FeatureLeon, LeonCASA]>;
104 def : Proc<"ma2100",          [FeatureLeon, LeonCASA]>;
105 def : Proc<"ma2150",          [FeatureLeon, LeonCASA]>;
106 def : Proc<"ma2155",          [FeatureLeon, LeonCASA]>;
107 def : Proc<"ma2450",          [FeatureLeon, LeonCASA]>;
108 def : Proc<"ma2455",          [FeatureLeon, LeonCASA]>;
109 def : Proc<"ma2x5x",          [FeatureLeon, LeonCASA]>;
110 def : Proc<"ma2080",          [FeatureLeon, LeonCASA]>;
111 def : Proc<"ma2085",          [FeatureLeon, LeonCASA]>;
112 def : Proc<"ma2480",          [FeatureLeon, LeonCASA]>;
113 def : Proc<"ma2485",          [FeatureLeon, LeonCASA]>;
114 def : Proc<"ma2x8x",          [FeatureLeon, LeonCASA]>;
115 def : Proc<"v9",              [FeatureV9]>;
116 def : Proc<"ultrasparc",      [FeatureV9, FeatureV8Deprecated, FeatureVIS]>;
117 def : Proc<"ultrasparc3",     [FeatureV9, FeatureV8Deprecated, FeatureVIS,
118                                FeatureVIS2]>;
119 def : Proc<"niagara",         [FeatureV9, FeatureV8Deprecated, FeatureVIS,
120                                FeatureVIS2]>;
121 def : Proc<"niagara2",        [FeatureV9, FeatureV8Deprecated, UsePopc,
122                                FeatureVIS, FeatureVIS2]>;
123 def : Proc<"niagara3",        [FeatureV9, FeatureV8Deprecated, UsePopc,
124                                FeatureVIS, FeatureVIS2]>;
125 def : Proc<"niagara4",        [FeatureV9, FeatureV8Deprecated, UsePopc,
126                                FeatureVIS, FeatureVIS2, FeatureVIS3]>;
128 // LEON 2 FT generic
129 def : Processor<"leon2", LEON2Itineraries,
130                 [FeatureLeon]>;
132 // LEON 2 FT (AT697E)
133 // TO DO: Place-holder: Processor specific features will be added *very* soon here.
134 def : Processor<"at697e", LEON2Itineraries,
135                 [FeatureLeon, InsertNOPLoad]>;
137 // LEON 2 FT (AT697F)
138 // TO DO: Place-holder: Processor specific features will be added *very* soon here.
139 def : Processor<"at697f", LEON2Itineraries,
140                 [FeatureLeon, InsertNOPLoad]>;
143 // LEON 3 FT generic
144 def : Processor<"leon3", LEON3Itineraries,
145                 [FeatureLeon, UMACSMACSupport]>;
147 // LEON 3 FT (UT699). Provides features for the UT699 processor
148 // - covers all the erratum fixes for LEON3, but does not support the CASA instruction.
149 def : Processor<"ut699", LEON3Itineraries,
150                 [FeatureLeon, InsertNOPLoad, FeatureNoFSMULD, FeatureNoFMULS, FixAllFDIVSQRT]>;
152 // LEON3 FT (GR712RC). Provides features for the GR712RC processor.
153 // - covers all the erratum fixed for LEON3 and support for the CASA instruction. 
154 def : Processor<"gr712rc", LEON3Itineraries,
155                 [FeatureLeon, LeonCASA]>;
157 // LEON 4 FT generic
158 def : Processor<"leon4", LEON4Itineraries,
159                 [FeatureLeon, UMACSMACSupport, LeonCASA]>;
161 // LEON 4 FT (GR740) 
162 // TO DO: Place-holder: Processor specific features will be added *very* soon here.
163 def : Processor<"gr740", LEON4Itineraries, 
164                 [FeatureLeon, UMACSMACSupport, LeonCASA, LeonCycleCounter,
165                  FeaturePWRPSR]>;
167 //===----------------------------------------------------------------------===//
168 // Declare the target which we are implementing
169 //===----------------------------------------------------------------------===//
171 def SparcAsmWriter : AsmWriter {
172   string AsmWriterClassName  = "InstPrinter";
173   int PassSubtarget = 1;
174   int Variant = 0;
177 def Sparc : Target {
178   // Pull in Instruction Info:
179   let InstructionSet = SparcInstrInfo;
180   let AssemblyParsers  = [SparcAsmParser];
181   let AssemblyWriters = [SparcAsmWriter];
182   let AllowRegisterRenaming = 1;